Home / 328,962.36-453,968.74-178,059.36

Finding the Fourth Proportional to 328,962.36, 453,968.74 and 178,059.36

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Solution

The fourth proportional to 328,962.36, 453,968.74 and 178,059.36 is: 245,722.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,962.36 : 453,968.74 = 178,059.36 : x
  2. Step 2: Convert to fraction form
    328,962.36/453,968.74 = 178,059.36/x
  3. Step 3: Cross multiply
    328,962.36x = 453,968.74 × 178,059.36
  4. Step 4: Simplify right side
    328,962.36x = 80,833,382,414.11
  5. Step 5: Solve for x
    x = 80,833,382,414.11/328,962.36
  6. Step 6: Final answer
    x = 245,722.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.